Dump-car.



w. H. YOST.

DUMP CAR.

APPL'IOATION FILED APR. 20, 1910.

Patented Dec. 19,1911.

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W. H. YOST.

DUMP GAR.

APPLICATION FILED APiLzo, 1910.

witnesses W. H. YOST.

. DUMP GAR.

nruoumn FILED APR. 20, 1910.

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' charge opening controlled by double doors movable shafts 3 are supported on these rails and, for the purpose of raising-the doors and positively locking them in closed position, these shafts coact with hearing cars of the t-y e having fixed bodies present ing a single op'per-like discharge openlng vent-ion may be said to consist of the con'-;

comprehension, however of my invention, reference must be had to the accompanying drawings forming a part of this specificamtion, in which similar reference characters tional view of a car constructed according ing of rai-ls secured at their opposite ends "side thereof, filler blocks 51 affording clear- UNITED; sratwnnr oFFIoE.

vnN'rmLn HANCOCK YOST, or MONTREAL, QUEBEC, CANADA, AssIGN'on 'ro NATIONAL DUMP can COMPANY, or CHICAGO, ILLINOIS, A CORPORATION or MAINE.

DUMP-CAR.

To all whom it may concern:

Be .it known that IyWINFIELD HANCOCK Yos'r, of the city of Montreal, Province of Quebec, Canada, have invented certain new andusefnl Improvements in Dump-Cars; and I do hereby declare that the following is a full, clear, and exact description of the same. 1

My invention relates particularly to dump and gravity discharge doors hinged to the side -edges of the said opening and the 111-.

struction, combination, and articular arrangement of parts hereina ter described and pointed out in the claims. For full indicate the same parts'and wherein- Figure 1, IS a transverse vertlcal secto my invention, the section being taken. on

verticalseetional view of one end of the side of the car, drawn to a. smaller scale. The car has an open top and its body 6 1s in the form of a hopper with a single dis- 0, (l, hinged as at e to the longitudinal sills f forming the sides of such discharge opening. The free ends of thedoors are supported through the medium, of two pairs of alined and oppositely inclined sha t supporting rails 2 located at the opposite endsof the discharge opening and being straight throughout the length of their shaft 'bear-. ing portions, such rails also servingvas a part of the door operating means as will be presently pointed out. A pair of laterally members fixed upon the doors and consistrespectively to the undersides of the doors and to Z-bars secured to the doors near their free ends and extending from side to ance for pitmen to be presently further al- Specification of Letters llatent Patented Application filed April 20, 1910. Serial No. e,477.

luded to. These rails present an ular tread surfaces inclining as at 4 from t e vicinity of the free edge of the door away from the door surface at a slight angle, and then, as at 5, at a sharper angle inwardly toward such door surface, the part} being so dis 7 posed that when the door is, closed this part Dec. 19,1911.

tend the correspondingportion of the shaft,

supporting rail converge .outwardly in 8 small degree. By outwardly I mean toward ,the free edge 'of the door;

V The laterally movable shafts?) are actuated through the medium of a pair ofoperating shafts 6 supported in bearings 7 secured to the frame of the car, a pair of crank arms 8 having square eyes 9 fitting onto the: shafts 6, and two pairs of pitmen 10 to theouter ends of which latter such arms are ivotally connected, the opposite ends of t e 'itmen being connected to the shafts 3. for rotating the shafts @comprise'levers 12 fulc'rumed'on the shaft and carrying oper-v ating pawls 14 adapted to engage ratchetwheels 15 fixed upon the shafts, detent pawls 16, engagipg ratchet wheels 17 also mounted upon' the shaft, serving to prevent retrograde rotation of the-ratchet wheels.

Operation: The dogrs are supported and retained in closed position by the shafts 3 exhe means ert-ing a wedging action between the converging portions of the rails 2 andbearing portions 4 on the outer faces of the To dump the load the shafts'must first be forced from their verging faces by swinging the operating pawls wheels 15 indicated in dotted lines at the left of Fig. land working the levers 12 in a manner to rotate the shafts 6 in the di rection indicated by arrow 100, and thereby, by means of crank arms. 8: and pitmen 10, moving the clined portions of the rails permitting the latter to open preci itately, falling away from each other and hanging from the side edges of the door opening.

on the doors and levers and rotating the shafts 6 in a direction indicated. by arrow 110 to move the shafts 3 laterally toward thecenter of the car and cause them to act upon the rails 5 and raise the do-rrs to closed position, and as the pitmen complete their stroke the shafts are wedged between the surfaces 4 doors.

positions between the conshafts 3 under the sharply in- The doors are closed by operating the.

and the correspondingl orting rails thus tig tly closing and lockm the doors.

hat I claim is asfollows': 1

1. The combination with a dump car pro vided with a discharge 0 ening, of a door hinged at the side of suc discharge opening, rails located at the ends of the said opening, a laterally movable shaft supported on the rails, a bearing member fixed upon the door and presenting an angular tread surface a art whereof is inclined away from the cor surface. at a slight angle and another part at a sharper angle inwardly toward such door surface, the first mentioned part and the corresponding part of the coacting supporting rail converging slightly when the door is closed and means for moving the shafts laterally along the supporting rails and into successive engagement with the said oppositely inclined tread surfaces, for the purpose set forth.

2. A dump car presenting a single lontudinal discharge opening; a pair of oors hinged at the side edges of such opening; rails located at the ends of the said opening; a pair of laterally movable shafts supported on the rails; bearing members fixed upon the doors and each presenting an angular tread surface a part whereof is inclined away fromthe door surface at a slight angle and another part at a sharper 'angleinwardly toward such door surface,

the first mentioned" part and the correspond ing part of the coacting supporting rail converging slightl outwardly when the door is closed; an means for moving the said shafts laterally.

3. A dnm car presenting a single longitudinal disc arge opening; a pair of doors hinged at the side edges of such opening; rails located at the ends of the said opening; a pair of laterally movable shafts supported on the rails; bearing members fixed copies of this patent may he obtained for portions of the sup -upon the doors and consisting of rails each presenting an angular tread surface a part whereof is inclined away from the door sur face at a slight angle and another part at a sharper angle inwardly toward such door surface, the first mentioned part and the corresponding part of the coacting support-' ing rail converging slightly outwardly when the door is closed; a pair of operating shafts; crank arms fixed upon said operating shafts; pitmen connecting the crank arms to the laterally movable shafts; and

means whereby the said. operating shafts I are rotated.

4. A dump car comprising a body portion ofhopper form with open top and presenting a single longitudinal discharge opening; a pair of doors hinged at the side edges of such opening; two pairs of alined and oppositely downwardly inclined rails located at the ends of the said opening;

pair of laterally movable shafts supported on the rails; bearing members fixed upon the doors and consisting of rails each pre senting an angular tread surface a part whereof is inclined away from the door surface at a slight angle and another part; at-a sharper angle inwardl toward such door surface, the first mentloned part and the corresponding part of the coacting sup,- porting rail converging slightly outwardly when the door is closed; a pair of operating shafts; crank arms fixed upon said operating shafts; pitmen connecting the crank arms to the slidable shafts; and means whereby the said operating shafts are rotated.

In testimony whereof, I have signed my name to this specification, in the presence of two subscribing witnesses.

WINFIELD HANCOCK YosT. I

Witnesses:

WILLIAM P. MCFEAT, JOHN OKEEFE.

five cents each, by addressing the Commissioner of Patents, Washington, D. 0. 

